WebInk Spots. Caused by the fungus Drechslera iridis, ink spots are a fungal disease prevalent … WebWhy does my Bearded iris have gray mold spots? A particular fungus that frequently affects flowers and spreads quickly is known as gray mold spots. This fungus is most likely to blame if you see any brown (or gray) spots. Don’t ignore these signs because doing so could cause your plant to die. Our Solution

Information On Iris Leaf Spot - Gardening Know How

http://dvis-ais.org/iris-fungus.html WebSince the fungus overwinters on old foliage, cut diseased leaves at ground level in October. Dispose of them in the garbage. If you are a real iris fancier you can spray with a fungicide containing chlorothalonil or mancozeb when the leaves … city in oregon nicknamed the rose city

IRIS LEAF SPOT - IPM

WebNov 17, 2003 · Fungal leaf spots are very common on landscape plants. However, very few cause serious damage to the affected plants. The leaf spot disease on red-tip Photinia, caused by the fungus Entomosporium, is an exception. This disease has virtually eliminated red-tips from Georgia landscapes. WebLeaf spot first appears in rainy or humid weather as the plants are growing. They look like small brown spots with a water-soaked margin surrounded by a yellow halo usually on the upper halves of the iris leaves. The fungus grows more slowly early in the season, but after the irises bloom as the summer temperatures rise, the fungal spots enlarge. WebThe leafspot fungus overwinters in old leaves and produces new spores in the spring. … city in peru crossword clue